. ./redoconf.rc
rc_include rc/CC.rc

base="${1#*/}"
h1="${base%.rc}"
h=$(echo "$h1" | sed -e 's,__,/,g')  # x__y_z.h.rc.od -> <x/y_z.h>
H=$(echo "$h1" | tr 'a-z.' 'A-Z_')

if rc_compile cc nolink "#include <$h>"; then
	rc_replaceln "HAVE_$H" 1
else
	rc_replaceln "HAVE_$H" ""
fi
rc_save